The M2A3 Bradley BUSK III infantry fighting vehicle is an improved model of the M2 Bradley infantry fighting vehicle series equipped by the United States in the 1980s. It is currently the most advanced infantry fighting vehicle model of the US military. This model is equipped with the "21st Century Brigade and Below Combat Command System" (FBCB2) and the "Bradley Theater Survivability Kit" (BUSK), and has strong survivability and informationized combat capabilities. 

　　The M2A3 Bradley BUSK III infantry fighting vehicle has a combat weight of about 30 tons and is equipped with a 1,000-horsepower VTA-903T diesel engine. Its weapons include an M242 Bushmaster 25mm cannon, a 7.62mm M240C coaxial machine gun, and a twin-mounted TOW anti-tank missile launcher. Its well-defined firepower configuration enables it to continuously suppress and attack enemy infantry, as well as destroy enemy armored units. Its rear passenger compartment can accommodate 6 soldiers, and a total of 10 soldiers, including the crew. Currently, the M2A3 Bradley BUSK III infantry fighting vehicle is in service in large numbers in the U.S. military, and is also equipped with U.S. troops stationed overseas in addition to the United States.